Related FAQs

• A student is given 80 ml of a saturated solution of CaCl2 and asked to create only 20 ml of solution with 1/4 the concentration. Which of the following lab procedures would allow her to achieve her goal?rnmix 5 ml of the saturated solution with 15 ml of waterrnmix 10 ml of the saturated solution with 10 ml of waterrnevaporate 60 ml of water from the original solutionrnnone
• A student prepared a standard solution of HCl to standardize. 0.1423 g of anhydrous soda ash was dissolved in 25 ml distilled H2O, and 2 gtts of methyl orange TS. Upon titration, there is 23.18 ml left in 25 ml of standard solution in the burette until pink color is observed. Determine the n of the solution
• A student has accidentally spilled 100.0 ml of 3.0 mol/l nitric acid onto the lab bench. What mass of sodium bicarbonate would the teacher need to sprinkle on this spill to neutralize and clean it up?
• A student is asked to prepare a 0.20 mol/l primary standard solution of copper(2) Sulfate, CuSO4 what is the dissociation equation
• A student adds 4.8 g of magnesium to excess dilute hydrochloric acid. what mass of magnesium chloride would be made? ( mg = 24 , cl = 35.5 )
• A student opens a container of hexaaquamanganese ii and realises that it is a pale yellow despite containing transition metal ion. What results in this colour
• A student opens a container of Hexaaquamanganese(II), [mn(h2o)6]2+, and realizes that it is pale yellow despite containing a transition metal ion. What results in this colour?
• A student opens a container of [mn(h2o)3]2+ and realises it is pale yellow despite having a transition metal. What results in the pale colour?
• A student opens a container of [mn(h2o)6]^2+ and realizes it is pale yellow even though it contains a transition metal. What results in this color
• A student opens a container of [mn(h2o)6]2+ and realizes that it is pale yellow despite containing a transition metal ion. what results in this color?